Buggy code:
public class TEIFormater { private Document doc = null ; private StringBuffer currentParagraph = null ; private StringBuffer currentSection = null ; private StringBuffer currentItem = null ; private StringBuffer currentCitationMarker = null ; private StringBuffer currentFigureMarker = null ; private StringBuffer currentPage = null ; private StringBuffer currentPageFootNote = null ; private StringBuffer currentLabel = null ; private StringBuffer currentFigureHead = null ; private StringBuffer currentEquation = null ; private Boolean inParagraph = false ; private ArrayList < String > elements = null ; private static final int ITALIC_POS = 16 ; private static final int BOLD_POS = 17 ; private static Pattern numberRef = Pattern . compile ( "(\\[|\\()\\d+\\w?(\\)|\\])" ) ; private static Pattern numberRefCompact = Pattern . compile ( "(\\[|\\()((\\d)+(\\w)?(\\-\\d+\\w?)?,\\s?)+(\\d+\\w?)(\\-\\d+\\w?)?(\\)|\\])" ) ; private static Pattern numberRefCompact2 = Pattern . compile ( "(\\[|\\()(\\d+)(-|‒|–|—|―|–)(\\d+)(\\)|\\])" ) ; private static Pattern startNum = Pattern . compile ( "^(\\d+)(.*)" ) ; public TEIFormater ( Document document ) { } public StringBuffer toTEIHeader ( BiblioItem biblio , boolean withStyleSheet , String defaultPublicationStatement ) { } public StringBuffer toTEIBodyLight ( StringBuffer buffer , String result , BiblioItem biblio , List < BibDataSet > bds , List < String > tokenizations , Document doc ) throws Exception { } public StringBuffer toTEIAnnexLight ( StringBuffer buffer , String result , BiblioItem biblio , List < BibDataSet > bds , List < String > tokenizations , Document doc ) throws Exception { if ( ( result == null ) || ( tokenizations == null ) ) { return buffer ; } <START_BUG> buffer . append ( "\t\t<div<seq2seq4repair_space>type=\"annex\"//>\n" ) ; <END_BUG> buffer = toTEITextPieceLight ( buffer , result , biblio , bds , tokenizations , doc ) ; buffer . append ( "\t\t<//div>\n" ) ; return buffer ; } private StringBuffer toTEITextPieceLight ( StringBuffer buffer , String result , BiblioItem biblio , List < BibDataSet > bds , List < String > tokenizations , Document doc ) throws Exception { } public boolean testClosingTag ( StringBuffer buffer , String currentTag0 , String lastTag0 , String currentTag , List < BibDataSet > bds ) { } public StringBuffer toTEIBodyML ( StringBuffer tei , String rese , BiblioItem biblio , List < BibDataSet > bds , List < String > tokenizations , Document doc ) throws Exception { } public StringBuffer toTEIAnnexML ( StringBuffer tei , String rese , BiblioItem biblio , List < BibDataSet > bds , List < String > tokenizations , Document doc ) throws Exception { } private StringBuffer toTEITextPieceML ( StringBuffer tei , String rese , BiblioItem biblio , List < BibDataSet > bds , List < String > tokenizations , Document doc ) throws Exception { } private boolean testClosingTag ( StringBuffer tei , String currentTag0 , String lastTag0 , String currentTag , List < BibDataSet > bds , List < NonTextObject > ntos ) { } public StringBuffer toTEIReferences ( StringBuffer tei , List < BibDataSet > bds ) throws Exception { } public String markReferencesTEI ( String text , List < BibDataSet > bds ) { } public String markReferencesFigureTEI ( String text , List < NonTextObject > ntos ) { } private String normalizeText ( String localText ) { } No newline ; at end ; of file ; }

Fix:
buffer . append ( "\t\t<div<seq2seq4repair_space>type=\"annex\">\n" ) ;